Index: external/pdfium/pdfium-bsd.patch
--- external/pdfium/pdfium-bsd.patch.orig	2024-06-19 20:37:06 UTC
+++ external/pdfium/pdfium-bsd.patch
@@ -0,0 +1,22 @@
+--- core/fxge/linux/fx_linux_impl.cpp.orig	2024-04-16 00:00:38 UTC
++++ core/fxge/linux/fx_linux_impl.cpp
+@@ -17,7 +17,7 @@
+ #include "core/fxge/fx_font.h"
+ #include "core/fxge/systemfontinfo_iface.h"
+ 
+-#if !BUILDFLAG(IS_LINUX) && !BUILDFLAG(IS_CHROMEOS) && !defined(OS_ASMJS)
++#if !BUILDFLAG(IS_LINUX) && !BUILDFLAG(IS_CHROMEOS) && !defined(OS_ASMJS) && !defined(OS_FREEBSD) && !defined(OS_OPENBSD)
+ #error "Included on the wrong platform"
+ #endif
+ 
+--- core/fxge/cfx_fontmapper.cpp.orig	2024-04-16 00:00:38 UTC
++++ core/fxge/cfx_fontmapper.cpp
+@@ -157,7 +157,7 @@ constexpr AltFontFamily kAltFontFamilies[] = {
+     {"ForteMT", "Forte"},
+ };
+ 
+-#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || defined(OS_ASMJS)
++#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS) || defined(OS_ASMJS) || defined(OS_FREEBSD) || defined(OS_OPENBSD)
+ const char kNarrowFamily[] = "LiberationSansNarrow";
+ #elif BUILDFLAG(IS_ANDROID)
+ const char kNarrowFamily[] = "RobotoCondensed";